Home / 25,429.89-38,152.80-11,401.68

Finding the Fourth Proportional to 25,429.89, 38,152.80 and 11,401.68

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Solution

The fourth proportional to 25,429.89, 38,152.80 and 11,401.68 is: 17,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.89 : 38,152.80 = 11,401.68 : x
  2. Step 2: Convert to fraction form
    25,429.89/38,152.80 = 11,401.68/x
  3. Step 3: Cross multiply
    25,429.89x = 38,152.80 × 11,401.68
  4. Step 4: Simplify right side
    25,429.89x = 435,006,016.70
  5. Step 5: Solve for x
    x = 435,006,016.70/25,429.89
  6. Step 6: Final answer
    x = 17,106.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.